starter Set 40 Form Exercise

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [6, 7] → [4, 2, _]

Show answer

Answer: Row1[1]=13, Row3[3]=5

SubType
number-pyramid
Difficulty
starter
Levels
  • [13]
  • [6,7]
  • [4,2,5]
Base
  • 4
  • 2
  • 5
TopValue
13
HiddenCells
  • {"r":0,"c":0,"v":13}
  • {"r":2,"c":2,"v":5}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [18] → [10, _] → [6, 4, _]

Show answer

Answer: Row3[3]=4, Row2[2]=8

SubType
number-pyramid
Difficulty
starter
Levels
  • [18]
  • [10,8]
  • [6,4,4]
Base
  • 6
  • 4
  • 4
TopValue
18
HiddenCells
  • {"r":2,"c":2,"v":4}
  • {"r":1,"c":1,"v":8}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [26] → [15, 11] → [5, _, _]

Show answer

Answer: Row3[3]=1, Row3[2]=10

SubType
number-pyramid
Difficulty
starter
Levels
  • [26]
  • [15,11]
  • [5,10,1]
Base
  • 5
  • 10
  • 1
TopValue
26
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":2,"c":1,"v":10}

Number Pyramid: Each block equals the sum of the two blocks below it. Fill the missing values. Pyramid (top to bottom): [_] → [12, 10] → [3, 9, _]

Show answer

Answer: Row3[3]=1, Row1[1]=22

SubType
number-pyramid
Difficulty
starter
Levels
  • [22]
  • [12,10]
  • [3,9,1]
Base
  • 3
  • 9
  • 1
TopValue
22
HiddenCells
  • {"r":2,"c":2,"v":1}
  • {"r":0,"c":0,"v":22}